But here’s news - they’re about to be regulars in your shower, too! Say hello to the new crop of hair care products infused with innovative ingredients - ingredients that you’d typically find in your wrinkle creams and serums.

"Marketing gimmick," you're thinking, rolling your eyes; turns out however, there's something to the idea after all. Consider this: your scalp is skin too, right? So if you were to treat it with the same ingredients that work on say, your face, not only will it be happier for it, your hair's likely to benefit too.

Here six of the best ingredients you're just as likely to find in your shampoo as you are in your face mask.

1/6 Ceramides

Ceramides are a kind of oil, or lipid, that protect the skin from external pollutants while keeping the moisture intact. People with sensitive, eczema-prone skin are probably familiar with this basic ingredient.

In Your Hair: Usually used in finishing products like serums and oils thanks to their smoothing quality, ceramides help to mend broken or splitting hair by coating the hair shaft and refurbishing its structure.

Try: Research says that a leave-in product is the best way to soak some ceramides into your scalp. And after extensive research of its own, L’Oreal has created a line dedicated to putting the oil back into your cuticles; L’Oreal Total Repair 5 Serum repairs each fibre and restores the natural cement of the hair. Phyto Keratine Reparative Serum is another light and silicone-free leave in serum for a shiny, silky finish without the heaviness. It also works along with fellow ‘it’ ingredient hyaluronic acid.

2/6 Hyaluronic Acid

Hyaluronic acid is a master hydrater - it can hold up to 1,000 times its weight in water. Little wonder then that it's found in everything from creams, lotions and serums to fillers like Restalyne that plump out wrinkles.

In Your Hair: On your skin it locks in moisture better than anything else, in your hair it helps every strand retain moisture, making it a great ingredient to look for if you have dry hair.

Loved by dermatologists the world over, copper peptides are considered one of the most effective skin replenishing products. Their USP is the ability to increase the skin's production collagen and elastin - the stuff that's responsible for supple, youthful skin.

In Your Hair: Collagen and elastin make for thicker, healthier hair, which is why skin experts seem to be quite taken with these peptides.

Try: Formulated by the renowned dermat himself, Dr. Gross's Root Resilience Anti-Aging Shampoo, Conditioner and Serum became insanely popular with his patients, who saw excellent results upon its launch.

4/6 Salicylic Acid

You probably know this ingredient well enough as the over the counter stuff that clears breakouts. It also exfoliates like magic, and helps 'unclog' pores.

In Your Hair: Washes out all the dirt and grime in your scalp and hair, restoring it to a state of lustre and gloss. Salicylic acid also works a treat for dandruff by exfoliating a dry, itchy scalp.

It might not always have been a big part of skincare, but wearing sunscreen is now about as routine as brushing your teeth; it shields skin from the sun's UVA and UVB rays, which can cause cancer and, studies show, up to 90% of the visible signs of aging.

In Your Hair: Just like sunscreen for your skin, coloured hair needs to be protected from the sun too. Thus, all your colour-protecting hair products contain UV filters and antioxidants that combat fading and dullness.

Try: The Body Shop’s Rainforest Balance Shampoo is a bit of a hit with hair dye fans; it contains a UV filter which prolongs the life of your colour while leaving hair soft and glossy.

6/6 Collagen

What It Is: Young, firm skin is attributed to the generous amounts of collagen underneath the surface of the skin; in skincare products, collagen holds on to moisture and keeps skin soft and supple for hours.

In Your Hair: It works pretty much the same way in your hair- keeps it moisturised and hydrated, giving it a wholesome boost in volume. Consider them fillers for your hair.

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